40-630/632 Dual 16/24 CHANNEL MUX

40-630/632
Dual 16/24 Channel Multiplexer Module
● Versatile Multiplexer With Single & Dual
Operation
● 40-630 Dual 16 Channel 2 Pole Multiplexer,
Configurable In 4 Other Modes
● 40-632 Dual 24 Channel 1 Pole Multiplexer,
Configurable In 2 Other Modes
● 1, 2 & 4 Pole Switching Formats
● Screened 50Ω Option with 50MHz Bandwidth
● All Versions Use High Reliability Pickering Reed
Relays
● Fast Operating Speed <500µs
● Switch up to 150Volts, 1.2A with 20W Max
Power
● Automatic Isolation Switches Reduce Capacitive
Loading in Large Systems
● VISA/IVI Drivers Supplied for Windows
98/2000/NT/XP
● Diagnostic Tool Available (PI-MXT)
● Supported by PXI or LXI Chassis
● 2 Year Warranty The 40-630 series of general purpose multiplexer
modules feature a wide range of switching
configurations. Typical applications include signal
routing in ATE and data acquisition systems.

1 MUX Bank 1 MUX Bank 2 Each module is factory configured into one of the
2
1 1
configuration modes (refer to schematics overleaf)).
2 2
3 Connections are made via a front panel 68 pin
3 3

4
Common connector. Available reed relay formats are 1 pole, 2
Common
Common
4 4
pole and 1 pole screened.

31 15 15
The 40-630/632 multiplexer may be operated as a
32 16 16
conventional multiplexer with break-before-make action
when a new channel is selected. In addition multiple
Single: 16, 32 Dual: 16 or 32 Channel channels may be simultaneously selected (not available
or 64 Channel on the Single 64-channel 1 pole or Dual 32-channel 1
40-630 Multiplexer Modes pole configurations).

Built in Automatic Isolation Switching (see diagrams

MUX Bank 1 MUX Bank 2
1 overleaf) connects only the currently active multiplexer
1 1
2
2 2
bank on to the analogue common, thereby keeping
3
3 3
capacitive loading and leakage currents in large
4
Common
multiplexer systems to a minimum. Larger multiplexers
4 4
Common
Common may be constructed by Daisy Chaining the common
ISSUE 3, MAY 2006

signals from multiple PXI cards.

47 23 23

48 24 24 The screened version (40-630-021-S) is suitable for

Dual: 24 Channel switching frequencies up to 50MHz. It may also be
Single: 24 or 48
used with low frequency signals where very good
Channel
isolation and crosstalk performance is required.
40-632 Multiplexer Modes

PXI Switch & Instrumentation

Pickering Interfaces www.pickeringtest.com
Relay Type Switching Specification
The 40-630 is fitted with Reed Relays (Ruthenium sputtered Switch Type: Ruthenium Reed
type), these offer very long life with good low level switching
performance and excellent contact resistance stability. Max Standoff Voltage: † 150V DC/100V AC
Spare Reed Relays are built onto the circuit board to facilitate Max Power: 20W
easy maintenance with minimum downtime. Max Switch Current: 0.5A
All reed relays are manufactured by our sister company Max Carry Current: 1.2A
Pickering Electronics, www.pickeringrelay.com. Path Resistance
Programming On (Single Module): <300mΩ
Off (Single Module): >109Ω
All PXI cards are supplied with complete Windows 98/2000/
Differential Thermal Offset: <5µV
NT/XP drivers, these perform the following functions:-
• Write word/s to card (to set relay pattern) Capacitance -022/-021 versions
Open Channel: <6pF
• Write bit to card (to operate an individual relay)
Channel to Channel: <15pF
• Full relay status reporting
• Card identification and location information Capacitance -S version
Open Channel: <2pF
• Set and read card calibration information
Channel to Channel: <3pF
Up to date driver software is available from our web site at
www.pickeringtest.com Crosstalk -022/-021 versions
(single channel on, 50Ω)
Channel to Channel 10kHz: >90dB
Channel to Channel 100kHz: >70dB
40-630-521 16 CHANNEL MUX INSERTION LOSS Channel to Channel 1MHz: >50dB
0 dB
Bank to Bank 100kHz: >100dB
-0.4 dB
Bank to Bank 1MHz: >85dB
-0.8 dB
Bandwidth (3dB, 1 module) >20MHz
-1.2 dB
Noise Level (0 to 1MHz in 50Ω system): <-80dBm
-1.6 dB
Crosstalk -S versions
-2.0 dB
(single channel on, 50Ω)
-2.4 dB
Channel to Channel 300kHz: >65dB
-2.8 dB
Channel to Channel 1MHz: >55dB
-3.2 dB
Bank to Bank 300kHz: >95dB
20MHz 40MHz 60MHz 80MHz
Bank to Bank 1MHz: >85dB
Bandwidth (3dB, 1 module) >50MHz
40-630-021-S Insertion Loss
Noise Level (0 to 1MHz in 50Ω system): <-90dBm
40-630-521 16 CHANNEL MUX VSWR Operate Time: <0.5ms
(RETURN LOSS) Release Time: <0.5ms
1.8 11dB
Expected Life
Low power load: 1x109 operations
R eturn Loss

1.6 13dB
Full power load: >1x106 operations
VSW R

1.4 16dB † Higher voltage standoffs may be available.

1.2 21dB

26dB

1.0
10MHz 20MHz 30MHz 40MHz

40-630-021-S Return Loss

5 µV
40-630-022 Typical Differential
Thermal E.M.F. Plot †
4 µV

3 µV

2 µV

1 µV

PCB Layout for the 40-632 Multiplexer Module

0 µV
0 mins 5 mins 10 mins 15 mins 20 mins

Thermal E.M.F. Plot

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 1.1
1.1
1

Chan 1
1.2
1.2
1.3
2
2.1 1.4
3
Isolation 2.2
Isolation Switches 2.1
Switches

Chan 2
2.2

Common
Common
2.3
Isolation
Switches 2.4
32.1
64 32.2

Common
40-630-022 Single 64 Channel 1 40-630-022 Single 32 Channel 2 Pole
Pole Multiplexer Mode Multiplexer Mode
1.1 16.1

Chan 16
1.2 Bank 1 1 16.2
Bank 1 16.3

2.1 2 16.4

Isolation
Switches
2.2
3 40-630-022 Single 16 Channel 4
Isolation
Switch
Pole Multiplexer Mode
Common

Common
16.1
32
16.2

1.1
Bank 2 1
Bank 2 1.2
2
2.1 40-630-022 Multiplexer
Isolation
Switches
2.2
Isolation
3 Configuration Schematics
Switch
Common

Common

16.1
32
16.2

40-630-022 Dual 16 Channel 2 40-630-022 Dual 32 Channel 1 Pole

Pole Multiplexer Mode Multiplexer Mode
1.1 Bank 1 1
1
1.2 2
2
2.1 3
3
2.2
Common
Common
Common

24

24.1
48 24.2 1
Bank 2
40-632-021 Single 48 Channel 1 40-632-021 021 Single 24 Channel 2 2

Pole Multiplexer Mode Pole Multiplexer Mode 3

Common

40-632-021 Multiplexer Configuration Schematics 24

40-632-021 Dual 24 Channel 1

Pole Multiplexer Mode

Bank 1 1
GND
1 2

GND GND

2 C

GND 40-630- GND

16
40-630-021-S Screened 021-S Dual GND

Multiplexer Configuration C 16 Channel

Schematics GND Screened Bank 2 1
32 Multiplexer GND

GND Mode 2
GND

40-630-021-S Single 32 Channel C

Screened Multiplexer Mode GND

16
GND

PXI Switch & Instrumentation

Pickering Interfaces www.pickeringtest.com
Power Requirements 40-630-022 Multiplexer Shipping Configurations

+3.3V +5V +12V -12V Multiplexer Mode Dual Single

0 280mA (220mA typ) 0 0 Number of Channels 16 †32 16 32 †64
Number of Poles 2 1 4 2 1
Width and Dimensions
† Dual 32 channel 1 pole and Single 64 channel 1 pole configurations
Single slot 3U PXI (CompactPCI card). are NOT capable of switching multiple channels simultaneously.
PXI & CompactPCI Compliance Note: When ordering you may specify that the multiplexer
All Pickering Interfaces PXI cards comply with the PXI is configured into any of the Shipping Configuration modes
Specification 2.1. It is also compatible with the Compact PCI shown, this saves having to alter internal jumpers yourself
specification. Local Bus, Interrupts, Trigger Bus and Star upon receipt of the unit.
Trigger are not implemented.
For example, to ship a 40-630-022 multiplexer set up as
Supplied soft front panels and driver software are fully Single 64 Channel 1 Pole then order:
Windows 98/2000/NT/XP 4 compatible.
“40-630-022 Configuration S/64/1”
Safety & CE Compliance
40-630-021-S Screened Multiplexer Shipping Configurations
All modules meet applicable EU directives. Low-voltage
safety EN 61010-1:1993. EMC Immunity EN 50082-1:1992, Multiplexer Mode Dual Single
Emissions EN 55011:1991. For full safety, compliance and Number of Channels 16 32
environmental specifications refer to Operating Manual.
40-632-021 Multiplexer Shipping Configurations
Optional Limiting Resistors
All modules may be fitted with limiting resistors, these are Multiplexer Mode Dual Single
fitted in series with the analogue common. These are very Number of Channels 24 24 48

Pickering Interfaces maintains a commitment to continuous product development, consequently we reserve the right to vary from the description given in this data sheet.
useful if over-current signals may be encountered, thus
extending the life and reliability of the reed relays. Number of Poles 1 2 1

Connectors
PXI bus via 32 bit P1/J1 backplane connector.
Signals via front panel 68 Way female SCSI connector, pin Product Order Codes
outs are in the operating manual. Dual 16 Channel Versatile Multiplexer 40-630-022
(default configuration is D/16/2)
Operating/Storage Conditions Dual 16 Channel Screened Multiplexer 40-630-021-S
Operating Conditions (default configuration is D/16/1)
Operating Temperature: 0°C to 55°C Dual 24 Channel Versatile Multiplexer 40-632-021
Humidity: Up to 95% non-condensing (default configuration is D/24/1)
Altitude: 5000m When ordering please specify which shipping configuration
Storage and Transport Conditions you would like the card set to, if not specified the card will
be shipped in default configuration.
Storage Temperature: -20°C to +75°C
Humidity: Up to 95% non-condensing Mating Connectors & Cabling
Altitude: 15000m Please refer to the Pickering Interfaces “Interconnection
Solutions” catalog for a full list of connector/cabling
options, including drawings, photos and specifications.
This is available in either print or as a download.
Alternatively our web site has dynamically linked
connector/cabling options, including pricing, for all
Pickering PXI modules.

Latest Details
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Please refer to our Web Site for Latest Product Details.

www.pickeringtest.com

Pickering Interfaces are sponsor members of the PXI Systems Alliance www.pxisa.org

www.pickeringtest.com E-Mail sales@pickeringtest.com